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Annals of Intensive Care
Fig. 3 | Annals of Intensive Care

Fig. 3

From: Characteristics and outcome of COVID-19 patients admitted to the ICU: a nationwide cohort study on the comparison between the first and the consecutive upsurges of the second wave of the COVID-19 pandemic in the Netherlands

Fig. 3

Crude and adjusted Cox regression showing Hazard ratios of ICU discharge during Wave 2 and Wave 3, and the period in-between compared to Wave 1 (see Additional file 1: Table S3, death as censoring event). A Hazard ratio of ICU discharge higher than 1.00 implies a comparatively high rate of discharge and, thus, a shorter length of stay at the ICU. Wave 1, February, 2020–May 24, 2020. Period in-between, May 25, 2020–October 4, 2020. Wave 2: first and second upsurge of Wave 2, October 5, 2020–January 31, 2021. Wave 3: final upsurge of Wave 2, February 1–June 30, 2021

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